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A camera doorbell that recognises known visitors, notifies the owner's phone with a snapshot, and can unlock the door for approved people.
Problem Statement
Ordinary doorbells give no information about who is at the door, and commercial video doorbells require subscriptions.
Objectives
Detect and recognise faces at the door
Send instant notifications with images
Allow remote door unlocking
Keep a visitor log
Modules
Camera Unit
Raspberry Pi camera with motion and button triggers.
Recognition Service
Face detection and matching against known visitors.
Mobile App
Android app for alerts, live view, and unlock.
Visitor Log
History of visitors with timestamps.
Expected Output
A prototype doorbell that sends a labelled photo of the visitor to the owner's phone within seconds.
Future Scope
Two-way audio, package detection, and local-only processing for privacy.